CN100363718C - 电磁流量计 - Google Patents

电磁流量计 Download PDF

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Publication number
CN100363718C
CN100363718C CNB2005100632337A CN200510063233A CN100363718C CN 100363718 C CN100363718 C CN 100363718C CN B2005100632337 A CNB2005100632337 A CN B2005100632337A CN 200510063233 A CN200510063233 A CN 200510063233A CN 100363718 C CN100363718 C CN 100363718C
Authority
CN
China
Prior art keywords
magnetic
electromagnetic flowmeter
magnetic flux
pole core
magnetic pole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNB2005100632337A
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English (en)
Chinese (zh)
Other versions
CN1680786A (zh
Inventor
石川郁光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yokogawa Electric Corp
Original Assignee
Yokogawa Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yokogawa Electric Corp filed Critical Yokogawa Electric Corp
Publication of CN1680786A publication Critical patent/CN1680786A/zh
Application granted granted Critical
Publication of CN100363718C publication Critical patent/CN100363718C/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
    • G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
    • G01F1/586—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters constructions of coils, magnetic circuits, accessories therefor

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
CNB2005100632337A 2004-04-08 2005-04-07 电磁流量计 Expired - Fee Related CN100363718C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004113996A JP4174725B2 (ja) 2004-04-08 2004-04-08 電磁流量計
JP2004113996 2004-04-08

Publications (2)

Publication Number Publication Date
CN1680786A CN1680786A (zh) 2005-10-12
CN100363718C true CN100363718C (zh) 2008-01-23

Family

ID=34934371

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2005100632337A Expired - Fee Related CN100363718C (zh) 2004-04-08 2005-04-07 电磁流量计

Country Status (4)

Country Link
US (1) US7293468B2 (fr)
EP (1) EP1591759A1 (fr)
JP (1) JP4174725B2 (fr)
CN (1) CN100363718C (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9021890B2 (en) 2012-09-26 2015-05-05 Rosemount Inc. Magnetic flowmeter with multiple coils
US8991264B2 (en) * 2012-09-26 2015-03-31 Rosemount Inc. Integrally molded magnetic flowmeter
CN104121953A (zh) * 2014-07-02 2014-10-29 重庆川仪自动化股份有限公司 一种剩磁励磁电磁流量计
DE102014113404A1 (de) * 2014-09-17 2016-03-17 Endress + Hauser Flowtec Ag Magnetisch-induktives Durchflussmessgerät mit einem Vierspulen- Magnetsystem
DE102015120103B4 (de) * 2015-11-19 2018-09-13 Krohne Ag Verfahren zur Durchflussmessung durch ein magnetisch-induktives Durchflussmessgerät
DE102015121730A1 (de) * 2015-12-14 2017-06-14 Endress+Hauser Flowtec Ag Magnetisch-induktives Durchflussmessgerät
US10502599B2 (en) * 2016-03-31 2019-12-10 Rosemount Inc. Polymeric magnetic flowmeter flow body assembly
CN108871473A (zh) * 2018-06-20 2018-11-23 上海肯特仪表股份有限公司 低功耗电磁水表
CN113532555A (zh) * 2020-04-22 2021-10-22 上海肯特仪表股份有限公司 一种低功耗电磁水表

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4409846A (en) * 1979-02-08 1983-10-18 Aichi Tokei Denki Co., Ltd. Electromagnetic flow meter
US4736635A (en) * 1986-02-14 1988-04-12 Aichi Tokei Denki Co., Ltd. Electromagnetic flowmeter
JPH11118548A (ja) * 1997-10-14 1999-04-30 Fuji Electric Co Ltd 電磁流量計
JP3043087B2 (ja) * 1991-03-25 2000-05-22 愛知時計電機株式会社 残留磁気式電磁流量計
JP2001281028A (ja) * 2000-03-29 2001-10-10 Yokogawa Electric Corp 電磁流量計

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2741121A (en) * 1952-06-17 1956-04-10 Vitro Corp Of America Means for minimizing electrostatic voltages in a flowmeter
GB978900A (en) * 1960-11-07 1964-12-23 Hikushin Denki Seisakusho Kk Improvements in electromagnetic flowmeters
JPS597930B2 (ja) 1979-02-08 1984-02-21 愛知時計電機株式会社 電磁流量計
JP2557531B2 (ja) * 1989-09-12 1996-11-27 株式会社東芝 電磁流量計
US5289725A (en) * 1991-07-31 1994-03-01 The Foxboro Company Monolithic flow tube with improved dielectric properties for use with a magnetic flowmeter
JPH0875514A (ja) 1994-09-05 1996-03-22 Yokogawa Electric Corp 電磁流量計

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4409846A (en) * 1979-02-08 1983-10-18 Aichi Tokei Denki Co., Ltd. Electromagnetic flow meter
US4736635A (en) * 1986-02-14 1988-04-12 Aichi Tokei Denki Co., Ltd. Electromagnetic flowmeter
JP3043087B2 (ja) * 1991-03-25 2000-05-22 愛知時計電機株式会社 残留磁気式電磁流量計
JPH11118548A (ja) * 1997-10-14 1999-04-30 Fuji Electric Co Ltd 電磁流量計
JP2001281028A (ja) * 2000-03-29 2001-10-10 Yokogawa Electric Corp 電磁流量計

Also Published As

Publication number Publication date
EP1591759A1 (fr) 2005-11-02
JP4174725B2 (ja) 2008-11-05
JP2005300251A (ja) 2005-10-27
US20050223816A1 (en) 2005-10-13
CN1680786A (zh) 2005-10-12
US7293468B2 (en) 2007-11-13

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080123

Termination date: 20110407